Home / 1,478,254.28-2,039,257.46-954,784.84

Finding the Fourth Proportional to 1,478,254.28, 2,039,257.46 and 954,784.84

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Solution

The fourth proportional to 1,478,254.28, 2,039,257.46 and 954,784.84 is: 1,317,129.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,254.28 : 2,039,257.46 = 954,784.84 : x
  2. Step 2: Convert to fraction form
    1,478,254.28/2,039,257.46 = 954,784.84/x
  3. Step 3: Cross multiply
    1,478,254.28x = 2,039,257.46 × 954,784.84
  4. Step 4: Simplify right side
    1,478,254.28x = 1,947,052,107,664.91
  5. Step 5: Solve for x
    x = 1,947,052,107,664.91/1,478,254.28
  6. Step 6: Final answer
    x = 1,317,129.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.